{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370142",
    "entityType": "User",
    "nonce": "0x2a4aef96ba4f63a2688899c230b3d4785313ca3dd41d2db3fa69cfca54ae82da",
    "signature": "0x7fdf90afe3fdbdbf1d506ef9579512a4e2a949de69b28c9c20835ea7140bd3f204aa0928dfd7fa31c04282c9a9bc6162669bcd9533f96bb707ed6c5f0a3ecc4d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}